There are quite a few audio settings for the PS4 which are not entirely obvious when you first take it out of the box. (androidcentral.com)
It's possible to hop in, set your destination, climate control and audio settings just - so and embark upon your journey with minimal fuss. (evo.co.uk)
Beyond this, the car remembers individual audio settings as well between driver 1 and driver 2. (autolist.com)